There are many alternatives to SciTE for Mac if you are looking for a replacement. The best Mac alternative is Visual Studio Code, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to SciTE and loads of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to SciTE are Atom (Free, Open Source), Sublime Text (Free Personal), Vim (Free, Open Source) and VSCodium (Free, Open Source).
Visual Studio Code is more than just a code editor, it provides the tools and extensions to compile, debug, compare, refactor, and even manage code repositories all within a highly-customised development environment.
GNU nano is a small and friendly text editor. Besides basic text editing, nano offers many extra features like an interactive search and replace, go to line and column number, auto-indentation, feature toggles, internationalization support, and filename tab completion.
The Kate project develops two main products: KatePart, the advanced editor component which is used in numerous KDE applications requiring a text editing component, and Kate, a MDI text editor application.